Annelida: Polychaeta: Terebellida: Pectinariidae
The images were taken on two levels of focus.
40x Plan Fluor. DIC. Sampled in Bay of Santander. February, 23rd 2017.
Lacalli, T.C. (1980). A guide to the marine flora and fauna of the Bay of Fundy: Polychaete larvae from Passamaquoddy bay. Canadian Technical Report of Fisheries and Aquatic Science 940. (see Fig. 45).
Larink, O. & Westheide, W. (2011). Coastal plankton. Verlag Dr.Friedrich Pfeil. München. (see Plate 49).